LET Reviewer - General Education (SCIENCE - Earth Science 3)







Taking the Board Licensure Examination for Professional Teachers (BLEPT), formerly known as Licensure Examination for Teachers (LET)? Try our online reviewer to enhance your knowledge on Professional Education below.


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 Direction: Select the letter of the best answer.


1.  _______ is a region of space containing a huge amount of mass compacted into an extremely small volume with a gravitational influence is so strong that nothing, not even light, can escape its grasp.
a. Accretion disks
b. Black Hole
c. Alternate Universe
d. Parallel Universe


Answer: b. Black Hole



2. During which moon phase are solar eclipses experienced?        
a. full moon
b. new moon
c. first quarter
d. last quarter


Answer: b. new moon



3.  Which of the following is NOT a minor member of the Solar System?
a. comets
c. moons
d. Sun


Answer:  d. Sun



a. it is the nearest planet to the sun
b.  it is covered by thick atmosphere of carbon dioxide
c.  it rotates faster than the other planets
d.  it is twice the size of the earth


Answer:  b. it is covered by thick atmosphere of carbon dioxide




5.  All of the following are renewable energy sources except ________.
a. Tides
b. Sunlight
c. Geothermal Vents
d. Coal mines


Answer:  d. Coal mines



6. What geologic feature under the water is the foundation that supports much of the life in the deep ocean?
a. Volcanoes
b. Earthquakes
c. Mountains
d. Sunlight


Answer: a. Volcanoes



7.  _______ shows the detailed shapes of the Earth's surface, along with its natural and human made features.
a. Time zone
b. Contour interval
c. Geologic map
d. Topographic map


Answer: d. Topographic map



a. toxic material in the soil
b. the removal of protective covering from plant leaves
c. the death of fish in many lakes
d. the reduction of coal to slush during washing


Answer: c. the death of fish in many lakes




a. Pluto
b. Ceres
c. Xena
d. Phobos


Answer: a. Pluto



10.  The Earth Hour was conceived to make people be more conscious of _______.
a. carbon emissions
b. global warming
c. wildlife preservation
d. sustainable development


Answer: b. global warming



11. A “carbon footprint” is the _______. 
a. amount of space you occupy
b. amount of carbon paper you use
c. the amount of greenhouse gases you emit
d. none of the above



Answer: c. the amount of greenhouse gases you emit



a. it revolves around the Earth
b. it rotates around its axis
c. the Earth revolves around the sun
d. the Earth’s axis is titled


Answer: a. it revolves around the Earth



13. The moon’s revolution is the cause of the following phenomena except _______.
a. the changing tides
c. the changing of seasons
d. the different phases of the moon


Answer: b. the occurrences of eclipses



14. Which of the following will be found on the surface of the Earth?
b. Asteroids
c. Meteors
d. Meteorites


Answer: d. Meteorites



15. Nicolas Copernicus proposed which model of the solar system?
a. Tychonic Model
b. Ptolemaic Model
c. Geocentric Model
d. Heliocentric Model


Answer: d. Heliocentric Model



16. When an area is exposed to the penumbra of the shadow, the area will experience a/an _______.
a. total eclipse
b. partial eclipse
c. solar eclipse
d. lunar eclipse


Answer: b. partial eclipse



17.  Gas pollutants in the atmosphere, when mixed with water, form acid rain. Acid rain therefore _______.
I.   is primarily a cause for the changes in the condition of the air
II.   pollutes bodies of water and large tracks of land
III.  is a result of a combination of acids spewed into the air
IV.  is preventable
     
a. I and III
b. II and IV
c. II and III
d. I and IV


Answer: c. II and III



18.   Mangrove forests are important because they ______.        
a. help build islands
b. serve as fish hatcheries
c. prevent erosion
d. all of the above


Answer: d. all of the above



a. Carabao
b. Whale Shark
c. Maya
d. Philippine Rooster


Answer: b. Whale Shark



20. Which of the following is not found in the air as a pollutant?
a. heavy metals
b. soot
c. excess ozone
d. silt

Answer:  d. silt




21. A land breeze occurs when _______.
a. bodies of water are cooler than bodies of land
b. bodies of land are cooler than bodies water
c. bodies of water and land are the same temperature
d. warm air moves faster than cool air


Answer: b. bodies of land are cooler than bodies water



22. The proper use of resources to ensure long-term utilization is called_______.
a. Sustainable Development
b. Ecological Awareness
c. Conservation
d. Segregation


Answer: c. Conservation



23.  Which gas would most likely decline in quantity if all the green plants on Earth suddenly died?
a. nitrogen
b. carbon dioxide
c. water vapor
d. oxygen


Answer:  d. oxygen



24.  All of the following are agents of emission except _______.
a. water
b. wind
c. dust particles
d. none of the above


Answer: c. dust particles



a. nimbus
b. cumulus
c. cirrus
d. stratus


Answer: b. cumulus

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